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2 Guns in 1: GST-9 MOD100 Bundle
$239.99$199.99 -
Add to Cart The item has been addedP80™ Complete Rail Sets - Compact Frames
$84.99$74.99 -
Add to Cart The item has been addedP80™ Complete Rail Sets - Full Size Frames
$85.00$74.99 -
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Add to Cart The item has been addedSPLIT REAR RAIL UPGRADE FOR POLYMER80™ (P80™)
$35.00$29.99 -
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Add to Cart The item has been added -
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Add to Cart The item has been addedP80™ Enhanced Pin set
$12.99 -
Add to Cart The item has been addedSMITH DEFENSE - Trigger Upgrade Kit
$99.99$74.99 -
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Add to Cart The item has been addedGST-9 Frame Completion Kit -SMITH DEFENSE
$89.99$79.99 -
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Add to Cart The item has been addedEnhancement Trigger Kit - Apex
$129.95 -
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ZEV PRO CONNECTOR UPGRADE
$16.00 -
Add to Cart The item has been addedWRAITH - FDE - No Barrel
$299.98 -
Add to Cart The item has been addedWRAITH - BLACK - No Barrel
$299.98 -
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Add to Cart The item has been addedGST-9 Frame Spare Pins
$7.99 -
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80 Lower Pistol Parts
Get your OEM and premium aftermarket Glock lower parts here from 80 Percent Arms. We carry everything you need to complete your GST-9 build and to upgrade it as well!
Glock Lower Parts Kits
When you purchase a GST-9 80% Pistol Build Kit it comes with an OEM G19 lower parts kit straight from the Glock factory. However, due to overwhelming demand and global supply chain issues we may have limited availability of OEM lower parts kits. However, if you wanted an aftermarket lower parts kit in the first place for extended controls or other upgraded parts we do carry those as well.
Glock Drop In Trigger
If you’re looking to immediately improve the performance and feeling of your GST-9, consider a drop-in trigger! We carry fantastic options from ZEV and Apex Tactical. Changing your OEM trigger out for an aftermarket Glock trigger is easy and a quick way to take your shooting experience to the next level. Also, aftermarket Glock triggers are among the most common and easy upgrades to a Glock lower parts kit, so the switch couldn't be easier!
Glock Extended Controls
Not satisfied with OEM Glock controls? Try out our Glock extended controls that are machined in house! With an extended slide lock release lever, you’ll have faster reloads and decrease those split times between shots when changing out for a new mag. An extended magazine release button can help with that as well — instead of breaking your grip to hit that small button, get an aftermarket solution to drop your mags with ease and speed. While our GST-9 frames do come with compact and full size grip modules, we also offer hefty competition sized grips made of brass to give your GST-9 increased weight, balance and superior reloads with its oversized magwell.